21167462668

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{3975857}}^1$

素因数の和:3975894

約数の個数: 24

約数和(自身を含む): 40744592784

約数和(自身を除く): 19577130116

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 5324, 3975857, 7951714, 15903428, 43734427, 87468854, 174937708, 481078697, 962157394, 1924314788, 5291865667, 10583731334, 21167462668]

約数ペア:

[(1, 21167462668), (2, 10583731334), (4, 5291865667), (11, 1924314788), (22, 962157394), (44, 481078697), (121, 174937708), (242, 87468854), (484, 43734427), (1331, 15903428), (2662, 7951714), (5324, 3975857)]